[The Sons of Liberty]

Age of first menses has decreased substantially since the early 20th century,

Better nutrition, more vitamins, and hormones in meat - not Big Gulps.

More Junk "Science" from the nanny state.

[Buckeye McFrog]

Bingo. Had a former boss whose daughter got her period at age 8. A highly respected research hospital nailed hormones in meat as the cause.